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Unit 10 solutions 1
 

Unit 10 solutions 1

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    Unit 10 solutions 1 Unit 10 solutions 1 Presentation Transcript

    • Unit 10
      SOLUTION CHEMISTRY!
    • What is a solution?
      A solution is an answer to a problem.
      OR
      A solution is a homogenous mixture of 2 or more substances.
    • Solutions have two parts to them…
      Solute: the substance that is being dissolved.
      Ex: SALT (NaCl), Chocolate!
      Solvent: the substance that is doing the dissolving
      Ex:WATER , Milk
    • WATER
      Water is known as the Universal Solvent
      It is known as this because of polarity
      The hydrogens have a partially positive charge
      The oxygen has a partially negative charge
    • More Water
      When water acts as the solvent the process is called hydration.
      When you are deHYDRATED that means you haven’t had enough WATER
    • Solvation
      If another substance acts as the solvent the process is called solvation, which means the solvent surrounds the solute and pulls it apart making it dissolve.
    • Concentration and Solubility
      A solution can be measured by its concentration. There are three basic measurements of solubility.
    • Saturated Solutions
      Saturated means the solution contains the maximum amount of solute that can be dissolved in a solution.
    • Supersaturated Solutions
      Supersaturated means the solution contains more than the maximum amount of solute that can be dissolved in the solution.
    • Unsaturated Solutions
      An unsaturated solution means it contains very little solute.
    • Saturated
      UN Saturated
      SUPER saturated
    • To dissolve or not to dissolve….
      Not all solutes are able to dissolve in solvents
      If a solute DOES NOT dissolve is a solvent it is called immiscible
      If a solute DOES dissolve in a solvent it is called miscible
      http://www.youtube.com/watch?v=ek6CVVJk4OQ